Coal and Solar Power

Mr. Yu


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[part 1]


Coal Effects

cc Ralph Orlowski/Getty Images
cc Ralph Orlowski/Getty Images

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unkown

Coal is one of improtant fuel in this society.For now coal mostly used in industry, like in fusion and alloy producton, as well as electricity generation. We used lots of coal every year, world coal consumption was approximately 6,743,786,000 short tons in 2006 and is expected to increace 48% to 9.98 billion short tons by 2030. Also this nature resource is highly significant for county economic development too. so far, human society incapable to live with out coal because is has considerable benefit to us.

On the other hand, we should not ignore coal also threaten to the environment.Coal is one of the contributor of the people made release of carbon dixode in the air.If human not to cease or vecise this mathod to using coal, the carbon dixode volume must increace, and causes climate change and global warming. In 20th century, the temperature of the world has increase 0.7 celsius degree. More over high sulfur coal will cause acid rain, it is other evidence to shows that cold possible to damage to the certain buiding materials and his torical monuments. also acid rain can effect to the agriculture ,vegetation and rivers too.Actually, coal not only effect to the environment it also damage to the human'health. Every time coal is burned, gases are release off and particles of ash, called"fly ash" acdust nuisance, coal-fired power plants shorten nearly 24,000 lives a year in the United States, insaid has about 2,800 from lung cancer. Eventually, the total world coal reserve life only about 142 years, so the nesseccy things we should do is as soon as possible to find new resource to altrnative coal.
CC As a work of the U.S. federal government
CC As a work of the U.S. federal government


sources used
wikipedia , Environment effects, coal , http://en.wikipedia.org/wiki/Coal , september 03 2009

coaleducation , Coal and the Environment , National Energy Foundation , http://www.coaleducation.org/lessons/twe/envi.htm ,september 03 2009





[part 2]

Solar Power

vista_aerea.jpg
Concentrating Solar Power Plant utilising the solar trough method. Image by Alan Radecki


Since coal power and gaslion these in-sustainsible resources run out in the world we are neccessery to find new rescource. Solar energy is one of important resource to instead of coal and gas.

Frist of all, solar energy use radiant light and heat from the Sun so that means solar energy is sustianable nature resource. It different with oil, coal, etc these fuels cause a lot of air polluting, water polluting, glabol warning evern carcinogens damage to the environment or our health, so it is non-polluting resource. Also solar energy is free to everyone. Light and energy from the sun expense nothing. Once you buying the equipment to collect and convet energy from the sun, it costs you nothing to run. Solar cells only to demand little maintenance and that’s it. On the other hand, solar power is undisturbed seource. Usually we converts the energy of sunlight directly into electricity by the photovoltaic effect so it doesn’t cause any noise polluting.

Moreover, solar power is possible to utilize in many area. One of them is solar hot water systems use sunlight to heat water. A partial list of solar applications includes space heating and cooling through solar architecture, potable water via distillation and disinfection, daylighting, solar hot water, solar cooking, and high temperature process heat for industrial purposes. Especally in some counties like middle Asia desalination alread become a important way to chang salt water to potable water. Moreover, scientist had creat a new typ of airplane only use power from the sun (see the picture) All in all, these facts are shows solar energy are possible to instead of coal and gaslion for sun. Befor long solar power may bacome a mind fuel in the world.
23image.jpg
image by Nasd Dryden Flight Research Center Photo Collection



sources used
wikipedia, solar energy, n/a, http://en.wikipedia.org/wiki/Solar_energy , October 20 2009
viva solar, SOLAR POWER BENEFITS, n/a, http://www.vivasolar.com/solarpowerbenifits.html , October 22 2009





[part 3]
Sustainable Sources and Hawaii


One of challenge of the world is the environment issues. In the world today, most energy are come from Coal, gas and petroleum
etc. However, these conventional energy can't longgerservica at all because they are non-renewable energy. Moreover, these energy are
pollutes the environment. Then caused many enverionment problems for example: they will release greenhouse gas, cause global warming, air
5ed581eat75e2208fae9d&690.jpg
cc N/A
pollution and water pollution etc. in addintion it is possiblity to damage to human's health and cause organisms extintion. Thereby we
must find a new sustainable sourcese as soon as possible.In the future, the energy systomes must contact to the country location and use
the alternative energy.
Hawaii has eight islands and is located in the middle of the pacific ocean. and also these islands are in tropic area. So in this
situation one of best way is use solar power. Even solar power still not a popular way to create power yet. But is has lots of benefits,
the sun’s energy can be harnessed with many solar technologies. Frist of all, solar energy use radiant light and heat from the Sun so
that means solar energy is sustianable nature resource. It different with oil, coal, etc these fuels cause a lot of air polluting, water
polluting, glabol warning evern carcinogens damage to the environment or our health, so it is non-polluting resource. Also solar energy
is free to everyone. Light and energy from the sun expense nothing. Once you buying the equipment to collect and convet energy from the
by_sarah_cooper.jpg
by sarah cooper

sun, it costs you nothing to run. Solar cells only to demand little maintenance and that’s it. On the other hand, solar power is
undisturbed seource. Usually we converts the energy of sunlight directly into electricity by the photovoltaic effect so it doesn’t cause
any noise polluting. All in all, solar power will be a main source in the future. On the other hand, wave power is a other potential
nature resource, Because Hawaii has among the most powerful waves per square meter in the world. Wave power generators are properly ecologically-friendly. Without a need for fossil fuels, and with no harmful chemicals released. Also the other great benefits of wave power is unobtrusive. Many power stations take up a lot of caluable land,and causing an impact on the natural eare. but the wave power plant the location of the generators reside around the coast line and use space in the ocean that mean use very little composition has been done to date. Otherwise, Hawaii also is a good place to develop wind power. it just like other sustainable sources has many benefits for example: it is clean power, improve local economy, creates jobs in the community from the wind project etc. All in all, Hawaii just a example to let us know in the future the world must rely on sustainable nature resources and cantact to the location build up a workable energy station.

Chuns,_Jockos,_and_Holtons_Reefs,_N.Shore,_Oahu.jpg
CC. by Chuns, Jockos, and Holtons Reefs, N.Shore, Oahu




sources used
Hawaii's Engergy Future, Hawaii Electric Company, N/A, http://www.hawaiisenergyfuture.com/ , November 30 2009
State of Hawaii governor, Hawaii Clean Energy Intiative, Governor Lingle, http://hawaii.gov/gov/initiatives/2009/energy , November 30 2009





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#Summary and Evaluation of Sources

[Part 1]
coal basic information

Coal is one of main fuel in this society, 68.7% of China's electricity comes from comes from coal. And the USA consumes about 14% of the world total, using 90% of it for generation of electricity. But also coal cause many environmental problems today. One of risk release for us is coal will release CO2 when we fire it. Them if too mach CO2 in the earth also cause global warning. And it will cause the loss the region’s bird and mammal species. Move over global warning also increase water level than human will loss the land. On the other hand, coal will creates fly ash and acid rain. These problems are damage to human’s health. All in all, we must substitute new energy for coal as soon as possible.

This source was created by many enthusiasts and experts, so I think I can trust the information. There are a lot of basic ideas about solar and solar energy.Also this page has lots of notes and list of references, there are able to links to other information for more details. I think this will be a good enough source of the topic.


[Part 2]
Solar basic information


Solar power that means radiant light and heat from the Sun. Also solar power is renewable energy which is energy generated from natural resources. Solar power also has lots of benefit to us. First, Solar power is a renewable and natural resource. Then, solar power is non-polluting. Unlike oil, solar power does not emit greenhouse gases or carcinogens into the air. Light and energy from the sun costs nothing. Once you purchase the equipment to collect and convert energy from the sun, it costs you nothing to run. Solar cells require little maintenance. Solar cells can last a lifetime. Solar power is silent. After energy crisis causes by humans over-consumption, aging infrastructure, choke point disruption, etc. solar power became important recourse. So far we already have applications of solar technology such are agriculture and horticulture, solar lighting, solar thermal, water heating, heating, cooling and ventilation, water treatment, cooking,
process heat, electrical generation, solar vehicles, solar chemical and experimental solar power, etc.

This source was created by many enthusiasts and experts, so I think I can trust the information. There are a lot of basic ideas about solar and solar energy.Also this page has lots of notes and list of references, there are able to links to other information for more details. I think this will be a good enough source of the topic.


[Part 3]
Sustainable Energy and Hawaii
In the world today, most energy are come from coal, petroleum etc. However, these conventional energy are can't longger service at all because they are non- renewable energy. Also they are potental damage to the earth and cause many enverionment problems.for example: global warming, air pollution and water pollution etc. moreover this is possible to damage to human's health and cause organisms extintion. Thereby we must find new alternative energy as soon as possible.so far, scientists are find out some renewable and sustainable energy. for example, solar power, wind power, wave power etc.

This source was created by state of Hawaii goverment, and it has many ditails and linked to support the information. I think this will be a good enough source of the topic.




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#Possible Sources

[part 1]

1. wikipedia , Environmental effects , coal , http://en.wikipedia.org/wiki/Coal , September 03 2009

2. wikipedia , solar power , n , http://en.wikipedia.org/wiki/Solar_power , September 03 2009

3. coaleducation , Coal and the Environment , National Energy Foundation , http://www.coaleducation.org/lessons/twe/envi.htm ,September 03 2009

4. Solar Power for Better Environment , n , http://science.itsmyneed.com/solar-energy/index.htm , September 03 2009

5. American coal foundation, Coal and the Environment: Land and Air,N , http://www.teachcoal.org/aboutcoal/articles/coalenv.html , September 24 2009

[part 2]

1. wikipedia, solar energy, n/a, http://en.wikipedia.org/wiki/Solar_energy , October 20 2009

2. wikipedia, sun, n/a, http://en.wikipedia.org/wiki/Sun , October 20 2009

3. viva solar, SOLAR POWER BENEFITS, n/a, http://www.vivasolar.com/solarpowerbenifits.html , October 22 2009

4. union of concerned scientists, Environmental Impacts of Renewable Energy Technologies, Michael Brower, http://www.ucsusa.org/clean_energy/technology_and_impacts/impacts/environmental-impacts-of.html , October 22 2009

5. U.S. department of energy, Why PV is Important to the Environment, n/a, tp://www1.eere.energy.gov/solar/to_environment.html , October 22 2009

[part 3]

1. Hawaii's Engergy Future, Hawaii Electric Company, N/A, http://www.hawaiisenergyfuture.com/ , November 30 2009

2. State of Hawaii governor, Hawaii Clean Energy Intiative, Governor Lingle, http://hawaii.gov/gov/initiatives/2009/energy , November 30 2009

3. Creative Conflict Solutions, A Clean Energy Future for Maui and Hawaii: Conversations with Key Players, Phyllis Robinson, http://maui-tomorrow.org/pdf/CCS_Renewable_Energy.pdf, November 30 2009

4. wikipedia, Energy development, n/a http://en.wikipedia.org/wiki/Energy_development December 3 2009

5. Securing America's Future Energy, energy fact, MSDS http://www.secureenergy.org/site/page.php?node=365 , December 3 2009


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